WO2001057981A1 - Moyen d'etancheite flexible pour trou de passage de cable - Google Patents
Moyen d'etancheite flexible pour trou de passage de cable Download PDFInfo
- Publication number
- WO2001057981A1 WO2001057981A1 PCT/FI2001/000095 FI0100095W WO0157981A1 WO 2001057981 A1 WO2001057981 A1 WO 2001057981A1 FI 0100095 W FI0100095 W FI 0100095W WO 0157981 A1 WO0157981 A1 WO 0157981A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- seal
- tapering section
- cable
- bead
- wall
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
- F16L5/10—Sealing by using sealing rings or sleeves only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/013—Sealing means for cable inlets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
Definitions
- the invention relates to a flexible seal for a cable through hole, to be mounted in an opening in a wall, particularly a wall of an electrical and electronics enclosure, the seal comprising a seal collar and a locking shoulder for receiving the wall sealably therebetween at the edge of the opening, a first end and a second end, and a tapering section between the first and second end, the tapering section comprising an outer surface, a wide end and a narrow end, whereby the narrow end of the tapering section is provided with a bead, which is turnable from a first position to a locking position, closer to the first end of the seal, to provide pull-off, in which locking position the seal surrounds the cable sealably.
- a cable refers to any electrical conductor, but particularly to such a conductor that has a circumferential sheath and typically contains multiple conductors.
- the ex- pression 'locking shoulder' also includes locking means in the form of lugs.
- Finnish Patent 60797 discloses a flexible seal of a type mentioned above.
- One end of the seal is provided with a bead, which, by rolling towards the wide end, provides pull-off.
- the pull-off means the property of the seal of preventing the cable mounted in the seal from being pulled off through the seal.
- the seal is characterized in that the bead is in the region of the narrow end of the tapering section and forms a projecting gripping shoulder at the outer surface of the tapering section to facilitate the pulling of the seal to its place in the wall.
- the gripping shoulder formed by the bead makes the mounting of the seal considerably easier.
- the bead is preferably formed at the narrow seal end to a point which is very close to the first end of the seal.
- the seal is made compact and short, which is important when the seal is used in enclosures, because there is not much room in the interior of the enclosures, and it is advantageous that the seal takes as little room as possible inside the enclosure.
- the bead is preferably an annular member, whereby it is easy to grip and pull the gripping shoulder with fingers.
- the tapering section close to the bead is preferably made of a thin material, so that the bead can be turned inwards, closer to the first end of the seal, to a locking position such that it presses against the cable surface and that its distance X from the first end of the seal is shorter than the distance Y from the outer surface of the turning point between the wide and narrow ends of the tapering section to the first end of the seal.
- a bead turned to the locking position presses against the cable surface, so that great friction is generated between the bead and the cable sheath, which efficiently prevents the cable from being pulled out of the through hole, i.e. the seal, whereby the bead provides an efficient pull-off.
- the tapering section comprises a clamping surface for receiving a fixing means and for pressing the seal by means of the clamping surface firmly against the cable.
- Great compressive force can be achieved by means of a common cable tie, for example, which is fastened against the clamping surface. Due to the gripping shoulder, the cable tie (or some other tightening element) remains securely fastened to the seal and it does not slide off from the tapering section.
- the use of the clamping surface and of the gripping shoulder for mounting the cable tie (or other tightening element) and keeping it in its place is another way of providing an efficient pull-off in the seal of the invention.
- Figure 1 is a side view of a seal
- Figures 2 and 3 show the seal from the opposite ends
- Figure 4 is a section along the line IV - IV of Figure 1
- Figure 5 illustrates how the seal is mounted
- Figures 6 and 7 show the seal in two different operating positions
- Figure 8 is a sectional view of a second embodiment of the seal.
- a seal shown in Figures 1 to 4 comprises a first, wide end 1 with a large diameter, and a second, narrow end 2 with a small diameter. Between the ends there is a tapering conical section 3 comprising an annular narrow end 4 with a small diameter, and an annular wide end 5 with a large diameter. [0020] The end 1 of the seal is provided with a hole 6 for a cable 7
- the seal is mounted in an opening in a wall 11. At the edge of the opening, one surface of the wall 1 1 is set against a locking shoulder 15 and the opposite surface of the wall against a seal collar 16, so that the seal collar is set sealably against the edge of the opening.
- the seal collar 16 presses slightly against the wall 11 when it is in its place, which ensures a through hole impermeable to liquid or air.
- the seal collar 16 is free from outer strain, and therefore its shape slightly differs from the shape shown in Figure 5.
- the seal can very easily be passed to its final position shown in Figure 5 by pushing it 1 in the direction of arrow A and by simultaneously pulling from a bead 10 at the end 2 in the direction of arrow A.
- the bead 10 can be easily gripped with fingers, and during the pulling, the nails can be set against a projecting gripping shoulder 12 formed by the bead.
- the gripping shoulder formed by the bead 10 forms a sharp discontinuous point at an outer surface 13 of the tapering section 3.
- the projecting gripping shoulder 12 at the outer surface of the seal substantially facilitates the mounting of the seal.
- annular reduction means 8 which is inside the bead 10 and in the form of a material reduction.
- the material reduction 8 defines the breaking point from which the material breaks when the cable 7 is pushed in the direction of arrow A against a cylinder part 9 inside the mate ⁇ al reduction, cf. Figure 5.
- the breaking point can be removed with rather a small amount of force, whereby an opening for the cable is formed.
- the tapering section 3 bends as in Figure 6, so that a turning point 14 is formed, and the more the seal is pulled in the direction of arrow B, the more the turning point presses the cable 7.
- the bead 10 and the turning point 14 provide a very efficient pull-off, which is due to the great friction forces against the surface of the cable. In most applications, it is sufficient to perform the pull-off only by means of the bead 10, but the turning point 14 further improves the pull-off.
- the distance X between the bead 10 and the end 1 of the seal is shorter than the distance Y between the outer surface of the turning point 14 and the end of the seal.
- Figure 5 shows that the tapering section 3 comprises two ta- pering conical surfaces 17 and 18, which are at different angles ⁇ and ⁇ , respectively, to the axial direction of the seal.
- the conical surface 17 forms, if desired, a clamping surface for a cable tie 19 or the like, cf.
- Figure 7. Compared to Figure 6, an alternative way of pressing the seal against the cable 7 is implemented by means of the cable tie 19 and the clamping surface 17.
- the use of the seal according to Figure 7 also provides an efficient pull-off.
- the use of Figure 7 is particularly suitable for multicore cables. Since the angle ⁇ is small, preferably about 0 to 30°, more preferably 0 to 20°, the cable tie 19 can be firmly tightened to its place. When the angle ⁇ is bigger than the angle ⁇ , the total length of the seal is small, which is an advantage.
- the wall 11 ' is thicker than the wall 11 , but the seal is the same as in Figure 5.
- the same seal can be used for wall thicknesses of 1 to 5 mm, because it comprises a cylindrical surface 20, which is about 5 mm, i.e. 4 to 6 mm, wide.
- the flexible seal collar 16 bends so that it presses the wall 11 , 1 1 ', regardless of the wall thickness within the range of 1 to 5 mm.
- the width of the cylindrical surface 20, i.e. the length in the axial di- rection varies typically between 4 to 6 mm.
- Figure 8 shows a second embodiment of the seal.
- the embodiment of Figure 8 differs from the embodiment of Figures 1 to 6 in that the material reduction 8' is formed at the wide end 1 ' of the seal, in which case there is a ready-made hole 6' at the narrow end 2' of the seal, the hole in a way corresponding to the hole 6 of Figure 4.
- the shape of the bead and gripping shoulder formed by the bead can vary from an annular member; and the bead need not necessarily be at the second end 2 of the seal, even though it is advantageous, when the compactness and small size of the seal are considered, but it may be positioned at a short distance from it. If the bead is further away from the end 2 of the seal, the diameter of the seal must be greater compared to the situation where the bead is at the point shown by the figures.
- the gripping shoulder formed by such a bigger bead cannot be gripped so well. Furthermore, it would not provide such a gripping shoulder that could function as stopping means for the cable tie tightened around the clamping surface 17, because the cable tie could not be made to tighten around the cable.
- the seal can also be fastened to a wall other than an enclosure wall.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2001231811A AU2001231811A1 (en) | 2000-02-04 | 2001-02-01 | Flexible seal for a cable through hole |
EP01903842A EP1256152A1 (fr) | 2000-02-04 | 2001-02-01 | Moyen d'etancheite flexible pour trou de passage de cable |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20000241A FI107574B (fi) | 2000-02-04 | 2000-02-04 | Kaapelin läpiviennin joustava tiiviste |
FI20000241 | 2000-02-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001057981A1 true WO2001057981A1 (fr) | 2001-08-09 |
Family
ID=8557351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FI2001/000095 WO2001057981A1 (fr) | 2000-02-04 | 2001-02-01 | Moyen d'etancheite flexible pour trou de passage de cable |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1256152A1 (fr) |
KR (1) | KR100526087B1 (fr) |
AU (1) | AU2001231811A1 (fr) |
FI (1) | FI107574B (fr) |
WO (1) | WO2001057981A1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1615311A1 (fr) * | 2004-07-06 | 2006-01-11 | Prefabricados Uniblok, S.A. | Traversée murale étanche |
EP1873881A1 (fr) * | 2006-06-28 | 2008-01-02 | Unex Aparellaje Electrico S.L. | Agencement de boîte de raccordement |
EP2008875A1 (fr) * | 2007-06-29 | 2008-12-31 | Nexans | Réalisation pour une conduite électrique |
WO2012017000A3 (fr) * | 2010-08-04 | 2013-04-11 | Hella Kgaa Hueck & Co. | Dispositif d'éclairage et élément d'étanchéité associé |
EP3291397A1 (fr) * | 2016-08-31 | 2018-03-07 | Jacob GmbH | Dispositif de fixation d'une ligne |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101112037B1 (ko) * | 2009-03-25 | 2012-02-14 | (주)에이치엔씨 | 소방 장비 세척기구 및 이를 이용한 감염방지장치 |
KR101035202B1 (ko) * | 2009-06-30 | 2011-05-17 | 한국전력공사 | 케이블 절연체의 내구성 시험용 밀봉장치 |
JP5911879B2 (ja) | 2010-11-02 | 2016-04-27 | ブリュッヒャー メタル アクティーゼルスカブ | 管路 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1470298A (en) * | 1973-05-15 | 1977-04-14 | Ericsson Telefon Ab L M | Elastic sealing bushes and methods and installations using them |
GB2191899A (en) * | 1986-06-18 | 1987-12-23 | Amp Inc | Moulded connector and cable entry seal |
US5360945A (en) * | 1991-05-01 | 1994-11-01 | Raychem Corporation | Cable seal |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2402323A1 (fr) * | 1977-09-02 | 1979-03-30 | Sarel | Dispositif d'obturation d'une ouverture formee dans une paroi, en particulier d'un boitier d'interrupteur, d'une boite de derivation, formant un capuchon rapporte sur ladite paroi |
-
2000
- 2000-02-04 FI FI20000241A patent/FI107574B/fi not_active IP Right Cessation
-
2001
- 2001-02-01 KR KR10-2002-7010031A patent/KR100526087B1/ko not_active IP Right Cessation
- 2001-02-01 AU AU2001231811A patent/AU2001231811A1/en not_active Abandoned
- 2001-02-01 EP EP01903842A patent/EP1256152A1/fr not_active Withdrawn
- 2001-02-01 WO PCT/FI2001/000095 patent/WO2001057981A1/fr active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1470298A (en) * | 1973-05-15 | 1977-04-14 | Ericsson Telefon Ab L M | Elastic sealing bushes and methods and installations using them |
GB2191899A (en) * | 1986-06-18 | 1987-12-23 | Amp Inc | Moulded connector and cable entry seal |
US5360945A (en) * | 1991-05-01 | 1994-11-01 | Raychem Corporation | Cable seal |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1615311A1 (fr) * | 2004-07-06 | 2006-01-11 | Prefabricados Uniblok, S.A. | Traversée murale étanche |
EP1873881A1 (fr) * | 2006-06-28 | 2008-01-02 | Unex Aparellaje Electrico S.L. | Agencement de boîte de raccordement |
EP2008875A1 (fr) * | 2007-06-29 | 2008-12-31 | Nexans | Réalisation pour une conduite électrique |
WO2012017000A3 (fr) * | 2010-08-04 | 2013-04-11 | Hella Kgaa Hueck & Co. | Dispositif d'éclairage et élément d'étanchéité associé |
EP3291397A1 (fr) * | 2016-08-31 | 2018-03-07 | Jacob GmbH | Dispositif de fixation d'une ligne |
Also Published As
Publication number | Publication date |
---|---|
KR100526087B1 (ko) | 2005-11-08 |
AU2001231811A1 (en) | 2001-08-14 |
FI20000241A0 (fi) | 2000-02-04 |
KR20020076282A (ko) | 2002-10-09 |
FI107574B (fi) | 2001-08-31 |
EP1256152A1 (fr) | 2002-11-13 |
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